According to a survey the most common technique of hacking a website is SQL Injection. SQL Injection is a technique in which hacker insert SQL codes into web Forum to get Sensitive Information like (User Name , Passwords) to access the site and Deface it. The traditional SQL injection method is quite difficult, but now a days there are many tools available online through which any script kiddie can use SQL Injection to deface a webite, because of these tools websites have became more vulnerable to these types of attacks.

One of the popular tools is Havij Card Injection, Havij Card Injection is an advanced SQL injection tool which makes SQL Injection very easy for you, Along with SQL injection it has a built in admin page finder which makes it very effective.